he's one of the greatest stars of the photography, how is that he ended up shooting for Teen Vogue!? Rachel Bilson? Hillary Duff?

Just because he shot for TeenVogue doesn't make him any less of a brilliant photographer. Moreover, TeenVogue is still a very prestigious magazine in the world of Conde Nast since it's a child of American Vogue, which is a brilliant, world-renowned, internationally published publication.